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   <div id="projectname">Reranker Framework (ReFr)
   
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   <div id="projectbrief">Reranking framework for structure prediction and discriminative language modeling</div>
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<a href="var-map_8_h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright 2012, Google Inc.</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Redistribution and use in source and binary forms, with or without</span>
<a name="l00005"></a>00005 <span class="comment">// modification, are permitted provided that the following conditions are</span>
<a name="l00006"></a>00006 <span class="comment">// met:</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">//   * Redistributions of source code must retain the above copyright</span>
<a name="l00009"></a>00009 <span class="comment">//     notice, this list of conditions and the following disclaimer.</span>
<a name="l00010"></a>00010 <span class="comment">//   * Redistributions in binary form must reproduce the above</span>
<a name="l00011"></a>00011 <span class="comment">//     copyright notice, this list of conditions and the following disclaimer</span>
<a name="l00012"></a>00012 <span class="comment">//     in the documentation and/or other materials provided with the</span>
<a name="l00013"></a>00013 <span class="comment">//     distribution.</span>
<a name="l00014"></a>00014 <span class="comment">//   * Neither the name of Google Inc. nor the names of its</span>
<a name="l00015"></a>00015 <span class="comment">//     contributors may be used to endorse or promote products derived from</span>
<a name="l00016"></a>00016 <span class="comment">//     this software without specific prior written permission.</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018 <span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<a name="l00019"></a>00019 <span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<a name="l00020"></a>00020 <span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
<a name="l00021"></a>00021 <span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span>
<a name="l00022"></a>00022 <span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00023"></a>00023 <span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span>
<a name="l00024"></a>00024 <span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span>
<a name="l00025"></a>00025 <span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span>
<a name="l00026"></a>00026 <span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00027"></a>00027 <span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<a name="l00028"></a>00028 <span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00029"></a>00029 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00030"></a>00030 <span class="comment">//</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00038"></a>00038 <span class="comment"></span>
<a name="l00039"></a>00039 <span class="preprocessor">#ifndef RERANKER_VAR_MAP_H_</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#define RERANKER_VAR_MAP_H_</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span>
<a name="l00042"></a><a class="code" href="var-map_8_h.html#abeee3249a73d20ce434d64f7ce0767cb">00042</a> <span class="preprocessor">#define VAR_MAP_DEBUG 1</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span>
<a name="l00044"></a>00044 <span class="preprocessor">#include &lt;sstream&gt;</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include &lt;vector&gt;</span>
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="preprocessor">#include &quot;<a class="code" href="member-init_8_h.html" title="Provides a generic dynamic object factory.">member-init.H</a>&quot;</span>
<a name="l00048"></a>00048 <span class="preprocessor">#include &quot;<a class="code" href="stream-tokenizer_8_h.html" title="Provides the StreamTokenizer  class.">stream-tokenizer.H</a>&quot;</span>
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 <span class="keyword">namespace </span>reranker {
<a name="l00051"></a>00051 
<a name="l00052"></a>00052 <span class="keyword">using</span> std::cerr;
<a name="l00053"></a>00053 <span class="keyword">using</span> std::endl;
<a name="l00054"></a>00054 <span class="keyword">using</span> std::ostream;
<a name="l00055"></a>00055 <span class="keyword">using</span> std::ostringstream;
<a name="l00056"></a>00056 <span class="keyword">using</span> std::tr1::shared_ptr;
<a name="l00057"></a>00057 <span class="keyword">using</span> std::tr1::unordered_map;
<a name="l00058"></a>00058 <span class="keyword">using</span> std::tr1::unordered_set;
<a name="l00059"></a>00059 <span class="keyword">using</span> std::vector;
<a name="l00060"></a>00060 
<a name="l00065"></a>00065 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00066"></a><a class="code" href="classreranker_1_1_value_string.html">00066</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_value_string.html" title="A template class that helps print out values with ostream&amp; operator support and vectors of those valu...">ValueString</a> {
<a name="l00067"></a>00067  <span class="keyword">public</span>:
<a name="l00068"></a><a class="code" href="classreranker_1_1_value_string.html#a4502939ff4fe2f2eba74d115424cc3c7">00068</a>   <span class="keywordtype">string</span> <a class="code" href="classreranker_1_1_value_string.html#a4502939ff4fe2f2eba74d115424cc3c7">ToString</a>(<span class="keyword">const</span> T &amp;value) {
<a name="l00069"></a>00069     ostringstream oss;
<a name="l00070"></a>00070     oss &lt;&lt; value;
<a name="l00071"></a>00071     <span class="keywordflow">return</span> oss.str();
<a name="l00072"></a>00072   }
<a name="l00073"></a>00073 };
<a name="l00074"></a>00074 
<a name="l00079"></a>00079 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00080"></a><a class="code" href="classreranker_1_1_value_string_3_01vector_3_01_t_01_4_01_4.html">00080</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_value_string.html" title="A template class that helps print out values with ostream&amp; operator support and vectors of those valu...">ValueString</a>&lt;vector&lt;T&gt; &gt; {
<a name="l00081"></a>00081  <span class="keyword">public</span>:
<a name="l00082"></a><a class="code" href="classreranker_1_1_value_string_3_01vector_3_01_t_01_4_01_4.html#ad815a5bf53431fd3e8fcf7810eff8cbf">00082</a>   <span class="keywordtype">string</span> <a class="code" href="classreranker_1_1_value_string_3_01vector_3_01_t_01_4_01_4.html#ad815a5bf53431fd3e8fcf7810eff8cbf">ToString</a>(<span class="keyword">const</span> vector&lt;T&gt; &amp;value) {
<a name="l00083"></a>00083     ostringstream oss;
<a name="l00084"></a>00084     oss &lt;&lt; <span class="stringliteral">&quot;{&quot;</span>;
<a name="l00085"></a>00085     <span class="keyword">typename</span> vector&lt;T&gt;::const_iterator it = value.begin();
<a name="l00086"></a>00086     <span class="keywordflow">if</span> (it != value.end()) {
<a name="l00087"></a>00087       oss &lt;&lt; *it;
<a name="l00088"></a>00088       ++it;
<a name="l00089"></a>00089     }
<a name="l00090"></a>00090     <span class="keywordflow">for</span> (; it != value.end(); ++it) {
<a name="l00091"></a>00091       oss &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; *it;
<a name="l00092"></a>00092     }
<a name="l00093"></a>00093     oss &lt;&lt; <span class="stringliteral">&quot;}&quot;</span>;
<a name="l00094"></a>00094     <span class="keywordflow">return</span> oss.str();
<a name="l00095"></a>00095   }
<a name="l00096"></a>00096 };
<a name="l00097"></a>00097 
<a name="l00100"></a><a class="code" href="classreranker_1_1_var_map_base.html">00100</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_var_map_base.html" title="A base class for a mapping from variables of a specific type to their values.">VarMapBase</a> {
<a name="l00101"></a>00101  <span class="keyword">public</span>:
<a name="l00108"></a><a class="code" href="classreranker_1_1_var_map_base.html#a073b4e8cc575853a219c8576dd6a8dc8">00108</a>   <a class="code" href="classreranker_1_1_var_map_base.html#a073b4e8cc575853a219c8576dd6a8dc8" title="Constructs a base class for a concrete implementation providing a mapping from variables of a particu...">VarMapBase</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;name, <span class="keywordtype">bool</span> is_primitive) :
<a name="l00109"></a>00109       <a class="code" href="classreranker_1_1_var_map_base.html#aa262c6f13b3e83d428d3afcb1a5864ca" title="The type name of this VarMap.">name_</a>(name), <a class="code" href="classreranker_1_1_var_map_base.html#a6b1e6b981ae86d5acfb9889dbc69c89d" title="Whether this VarMap instance holds variables of primitive type or vector of primitives.">is_primitive_</a>(is_primitive) { }
<a name="l00110"></a>00110 
<a name="l00113"></a><a class="code" href="classreranker_1_1_var_map_base.html#ac37ba67371f01d047550c6fc55177d37">00113</a>   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classreranker_1_1_var_map_base.html#ac37ba67371f01d047550c6fc55177d37" title="Returns whether this instance contains primitive or primtive vector variables.">IsPrimitive</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classreranker_1_1_var_map_base.html#a6b1e6b981ae86d5acfb9889dbc69c89d" title="Whether this VarMap instance holds variables of primitive type or vector of primitives.">is_primitive_</a>; }
<a name="l00115"></a><a class="code" href="classreranker_1_1_var_map_base.html#acf4c7614b477b3f986c0c1e7d9551ae0">00115</a>   <span class="keyword">virtual</span> <span class="keyword">const</span> <span class="keywordtype">string</span> &amp;<a class="code" href="classreranker_1_1_var_map_base.html#acf4c7614b477b3f986c0c1e7d9551ae0" title="Returns the type name of the variables of this instance.">Name</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classreranker_1_1_var_map_base.html#aa262c6f13b3e83d428d3afcb1a5864ca" title="The type name of this VarMap.">name_</a>; }
<a name="l00116"></a>00116 
<a name="l00119"></a>00119   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classreranker_1_1_var_map_base.html#af9d31b9fe4a4a5b6b30ea968fd59ddf5" title="Returns whether the specified variable has a definition in this environment.">Defined</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname) <span class="keyword">const</span> = 0;
<a name="l00120"></a>00120 
<a name="l00125"></a>00125   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_var_map_base.html#a2870abd4bc8ad1d925fc304acb44417d" title="Reads the next value (primitive or spec for constructing a Factory-constructible object) from the spe...">ReadAndSet</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname, <a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st) = 0;
<a name="l00126"></a>00126  <span class="keyword">protected</span>:
<a name="l00128"></a><a class="code" href="classreranker_1_1_var_map_base.html#aa262c6f13b3e83d428d3afcb1a5864ca">00128</a>   <span class="keywordtype">string</span> <a class="code" href="classreranker_1_1_var_map_base.html#aa262c6f13b3e83d428d3afcb1a5864ca" title="The type name of this VarMap.">name_</a>;
<a name="l00131"></a><a class="code" href="classreranker_1_1_var_map_base.html#a6b1e6b981ae86d5acfb9889dbc69c89d">00131</a>   <span class="keywordtype">bool</span> <a class="code" href="classreranker_1_1_var_map_base.html#a6b1e6b981ae86d5acfb9889dbc69c89d" title="Whether this VarMap instance holds variables of primitive type or vector of primitives.">is_primitive_</a>;
<a name="l00132"></a>00132 };
<a name="l00133"></a>00133 
<a name="l00138"></a>00138 <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;
<a name="l00139"></a><a class="code" href="classreranker_1_1_var_map.html">00139</a> <span class="keyword">class </span><a class="code" href="classreranker_1_1_var_map.html" title="A container to hold the mapping between named variables of a specific type and their values...">VarMap</a> : <span class="keyword">public</span> <a class="code" href="classreranker_1_1_var_map_base.html" title="A base class for a mapping from variables of a specific type to their values.">VarMapBase</a> {
<a name="l00140"></a>00140  <span class="keyword">public</span>:
<a name="l00146"></a><a class="code" href="classreranker_1_1_var_map.html#a42a25cbc1b217b5c643bfb94f86c4703">00146</a>   <a class="code" href="classreranker_1_1_var_map.html#a42a25cbc1b217b5c643bfb94f86c4703" title="Constructs a mapping from variables of a particular type to their values.">VarMap</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;name, <span class="keywordtype">bool</span> is_primitive = <span class="keyword">true</span>) :
<a name="l00147"></a>00147       <a class="code" href="classreranker_1_1_var_map_base.html" title="A base class for a mapping from variables of a specific type to their values.">VarMapBase</a>(name, is_primitive) { }
<a name="l00148"></a>00148 
<a name="l00149"></a>00149   <span class="comment">// Accessor methods</span>
<a name="l00150"></a>00150 
<a name="l00156"></a><a class="code" href="classreranker_1_1_var_map.html#a06ae9d1793c6e507b975ac23f9d7af58">00156</a>   <span class="keywordtype">bool</span> <a class="code" href="classreranker_1_1_var_map.html#a06ae9d1793c6e507b975ac23f9d7af58" title="Assigns the value of the specified variable to the object pointed to by the value parameter...">Get</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname, T *value)<span class="keyword"> const </span>{
<a name="l00157"></a>00157     <span class="keyword">typename</span> unordered_map&lt;string, T&gt;::const_iterator it = vars_.find(varname);
<a name="l00158"></a>00158     <span class="keywordflow">if</span> (it == vars_.end()) {
<a name="l00159"></a>00159       <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00160"></a>00160     } <span class="keywordflow">else</span> {
<a name="l00161"></a>00161       *value = it-&gt;second;
<a name="l00162"></a>00162       <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00163"></a>00163     }
<a name="l00164"></a>00164   }
<a name="l00165"></a>00165 
<a name="l00167"></a><a class="code" href="classreranker_1_1_var_map.html#a9962a54a8e138ea24f49fdb92df108dd">00167</a>   <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classreranker_1_1_var_map.html#a9962a54a8e138ea24f49fdb92df108dd">Defined</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname)<span class="keyword"> const </span>{
<a name="l00168"></a>00168     <span class="keywordflow">return</span> vars_.find(varname) != vars_.end();
<a name="l00169"></a>00169   }
<a name="l00170"></a>00170 
<a name="l00172"></a><a class="code" href="classreranker_1_1_var_map.html#a4facf600cb7a75264e443f70856767e3">00172</a>   <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_var_map.html#a4facf600cb7a75264e443f70856767e3" title="Sets the specified variable to the specified value.">Set</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname, T value) {
<a name="l00173"></a>00173     vars_[varname] = value;
<a name="l00174"></a>00174   }
<a name="l00175"></a>00175 
<a name="l00177"></a><a class="code" href="classreranker_1_1_var_map.html#a1a01ace6f7f06a7779ff583c6bcd0f0d">00177</a>   <span class="keywordtype">void</span> <a class="code" href="classreranker_1_1_var_map.html#a1a01ace6f7f06a7779ff583c6bcd0f0d">ReadAndSet</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &amp;varname, <a class="code" href="classreranker_1_1_stream_tokenizer.html" title="A simple class for tokenizing a stream of tokens for the formally specified language used to construc...">StreamTokenizer</a> &amp;st) {
<a name="l00178"></a>00178     <span class="keywordtype">bool</span> required = <span class="keyword">true</span>;
<a name="l00179"></a>00179 
<a name="l00180"></a>00180     <span class="keywordflow">if</span> (<a class="code" href="var-map_8_h.html#abeee3249a73d20ce434d64f7ce0767cb">VAR_MAP_DEBUG</a> &gt;= 1) {
<a name="l00181"></a>00181       cerr &lt;&lt; <span class="stringliteral">&quot;VarMap&lt;&quot;</span> &lt;&lt; <a class="code" href="classreranker_1_1_var_map_base.html#acf4c7614b477b3f986c0c1e7d9551ae0" title="Returns the type name of the variables of this instance.">Name</a>() &lt;&lt; <span class="stringliteral">&quot;&gt;::ReadAndSet: about to set varname &quot;</span>
<a name="l00182"></a>00182            &lt;&lt; varname &lt;&lt; <span class="stringliteral">&quot; of type &quot;</span> &lt;&lt; <span class="keyword">typeid</span>(T).name() &lt;&lt; endl;
<a name="l00183"></a>00183     }
<a name="l00184"></a>00184 
<a name="l00185"></a>00185     T value;
<a name="l00186"></a>00186     <a class="code" href="classreranker_1_1_initializer.html" title="A class to allow Factory-constructible objects to initialize data members that point to other Factory...">Initializer&lt;T&gt;</a> initializer(varname, &amp;value, required);
<a name="l00187"></a>00187     initializer.<a class="code" href="classreranker_1_1_initializer.html#a7c498a9b20162021306813a3b5427cbe">Init</a>(st);
<a name="l00188"></a>00188     <a class="code" href="classreranker_1_1_var_map.html#a4facf600cb7a75264e443f70856767e3" title="Sets the specified variable to the specified value.">Set</a>(varname, value);
<a name="l00189"></a>00189 
<a name="l00190"></a>00190     <span class="keywordflow">if</span> (<a class="code" href="var-map_8_h.html#abeee3249a73d20ce434d64f7ce0767cb">VAR_MAP_DEBUG</a> &gt;= 1) {
<a name="l00191"></a>00191       cerr &lt;&lt; <span class="stringliteral">&quot;VarMap&lt;&quot;</span> &lt;&lt; <a class="code" href="classreranker_1_1_var_map_base.html#acf4c7614b477b3f986c0c1e7d9551ae0" title="Returns the type name of the variables of this instance.">Name</a>() &lt;&lt; <span class="stringliteral">&quot;&gt;::ReadAndSet: set varname &quot;</span>
<a name="l00192"></a>00192            &lt;&lt; varname;
<a name="l00193"></a>00193       <span class="keywordflow">if</span> (<a class="code" href="classreranker_1_1_var_map_base.html#ac37ba67371f01d047550c6fc55177d37" title="Returns whether this instance contains primitive or primtive vector variables.">IsPrimitive</a>()) {
<a name="l00194"></a>00194         <a class="code" href="classreranker_1_1_value_string.html" title="A template class that helps print out values with ostream&amp; operator support and vectors of those valu...">ValueString&lt;T&gt;</a> value_string;
<a name="l00195"></a>00195         cerr &lt;&lt; <span class="stringliteral">&quot; to value &quot;</span> &lt;&lt; value_string.<a class="code" href="classreranker_1_1_value_string.html#a4502939ff4fe2f2eba74d115424cc3c7">ToString</a>(value);
<a name="l00196"></a>00196       }
<a name="l00197"></a>00197       cerr &lt;&lt; endl;
<a name="l00198"></a>00198     }
<a name="l00199"></a>00199   }
<a name="l00200"></a>00200  <span class="keyword">private</span>:
<a name="l00201"></a>00201   unordered_map&lt;string, T&gt; vars_;
<a name="l00202"></a>00202 };
<a name="l00203"></a>00203 
<a name="l00204"></a>00204 
<a name="l00205"></a>00205 }  <span class="comment">// namespace reranker</span>
<a name="l00206"></a>00206 
<a name="l00207"></a>00207 <span class="preprocessor">#endif</span>
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